System.Data.DataTableReader.GetValues C# (CSharp) Метод

        public override int GetValues(object[] values)
        {
            ValidateState(nameof(GetValues));
            ValidateReader();

            if (values == null)
            {
                throw ExceptionBuilder.ArgumentNull(nameof(values));
            }

            Array.Copy(_currentDataRow.ItemArray, values, _currentDataRow.ItemArray.Length > values.Length ? values.Length : _currentDataRow.ItemArray.Length);
            return (_currentDataRow.ItemArray.Length > values.Length ? values.Length : _currentDataRow.ItemArray.Length);
        }
        public override bool IsDBNull(int ordinal)

        /// <summary>
        /// Imports article from csv file to db. If article with same number exists, it will be replaced.
        /// </summary>
        /// <param name="db"></param>
        /// <param name="file"></param>
        /// <returns></returns>
        public static bool ImportArticleFromCsv(ISposDb db, string file)
        {
            // read csv file
            DataTable data = ParseCSV(file);
            if (data == null)
            {
                return false;
            }
            // convert data
            DataTableReader reader = new DataTableReader(data);
            if (reader.FieldCount != 5 && !reader.HasRows)
            {
                return false;
            }
            List<SimplePOS.Article.RegularArticle> articleList = new List<SimplePOS.Article.RegularArticle>();
            reader.Read(); // read the header
            while (reader.Read())
            {
                object[] values = new object[5];
                int result = reader.GetValues(values);
                if (result > 0)
                {
                    try
                    {
                        // Text may be empty wich results in a strange object
                        string text;
                        try { text = (string)values[2]; }
                        catch { text = ""; }
                        articleList.Add(new SimplePOS.Article.RegularArticle((string)values[0],
                            (string)values[1], text,
                            Double.Parse((string)values[3]),
                            Double.Parse((string)values[4])));
                    }
                    catch { return false; }
                }
            }

            // import to db
            db.SaveArticleList(articleList);

            return true;
        }